Soal Icho nih silakan gan

Nih gan kumpulan soal-soal icho yg ane dapat.
semoga bermanfaat ya gan.

1. IChO 26 (download)

2. IChO 28 (download)

3. IChO 29 (download)

4. IChO 30 (download)

5. IChO 31 (download)

6. IChO 32 (download)
7. IChO 33 (download)

8. IChO 34 (download)

9. IChO 35 (download)

10. IChO 36 (download)

11. IChO 37 (download)

12. IChO 38 (download)
13. IChO 39 (download)

14. IChO 40 (download)

15. IChO 41 (download)

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